This Marlin manufactured breech bolt assembly is for the model 70P (Papoose) semi-auto rimfire rifle and is in very good condition with light wear. This assembly consists of the breech bolt, cartridge lifter roller, firing pin, firing pin retaining pin, and the complete extractor assembly. (file photo)

Note: Marlin model 70P "Papoose" rifles with the following serial numbers have been observed with this part: 10285515 & 13422617.